No matter how good your memory is￡? you cannot deny that you had experience of looking for something for a long time as well as others. Everyone understands that feeling. Therefore￡? owning a finder is very necessary in our life. This wireless anti-theft anti-lost finder adopts micro-electronic wireless technique. It consists of two parts: receiver and transmitter. The receiver will be kept with the host; the transmitter will be kept with the things which the host wants to protect. Receiver will sound and vibrate an alert when the protected object out of the distance. It is easy to use and can bring much convenience to your life. A good choice is waiting for you.                                    Features            This wireless remote control key finder will be a perfect tool in your lifeNever lose your keys again and no more morning panicsThe remote control key finder is powerful enough to penetrate walls￡? cushions￡? leather sofas￡? closet doors￡? and moreNever waste time looking for you keys                                                            Specifications            Receiver Size    2.36" x 1.18" x 0.35" / 6 x 3 x 0.9cm (L x W x T)    <br>Transmitter Size    1.69" x 1.06" x 0.35" / 4.3 x 2.7 x 0.9 cm(L x W x T)    <br>Transmitter Color    Blue￡? Black￡? Red￡? Pink￡? Orange (Random)    <br>Transmitter Uses Battery    2 x CR2032 button battery    <br>Receiver Uses Battery    1 x CR2032 button battery    <br>Material    Plastic    <br>Weight    70 g / 2.47 oz    <br>                                                            Package Includes            1 x Receiver2 x Transmitter                                                            Extra Info            How to Use? Match: Turn up the key chain??s switch to ??ON?? position￡? it will beep constantly ("dee...dee...")￡? and press one certain button on the transmitter￡? so receiver will stop beeping when it match with the button.Find: When you want to find the lost keys￡? just push the button press here on the keychain￡? and the keychain will sound alarm within 1 second￡? alarm will last for 4 seconds and then stop